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165 ECM and Relocating the IAT Sensor.

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Old Jul 6, 2001 | 11:33 AM
  #1  
branz28's Avatar
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Joined: Mar 2000
Posts: 669
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From: Red Bud, Illinois
Car: 1989 IROC-Z
Engine: 383
Transmission: Pro-Built 700R4 2400 ACT Stall
Axle/Gears: 2.77 Borg Warner 9-Bolt
165 ECM and Relocating the IAT Sensor.

I don't quite understand this so someone please clear it up for me. If i relocate the IAT from under my plenum to before the TB or to the "Y-Plate" it won't have any adverse effects on the EGR and other such things. But will give me better throttle response? Am i correct? Now if i had a 730 ECM it would all have to be recalibrated for the change in location.

------------------
89 IROC-Z 350 TPI

-Flowmaster Catback
-Performance Resource Chip
-700R4 (Rebuilt) Too much done to actually list
-K&N Airfilters
-Ported Plenum
-2.77 Gears (not much to brag about but eh, its there)
-MSD 8.5 mm plug wires
-Gutted cat
-!AIR
-Gutted Air Boxes
Reply
Old Jul 7, 2001 | 08:02 AM
  #2  
Grumpy's Avatar
Supreme Member
 
Joined: Jun 2000
Posts: 7,554
Likes: 1
From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
<font face="Verdana, Arial" size="2">Originally posted by branz28:
I don't quite understand this so someone please clear it up for me. If i relocate the IAT from under my plenum to before the TB or to the "Y-Plate" it won't have any adverse effects on the EGR and other such things. But will give me better throttle response? Am i correct? Now if i had a 730 ECM it would all have to be recalibrated for the change in location.
</font>
There are several opinions on this, mine being leave it where it is and then tune the car. There is no need to play mechanical games with stuff now that there are editors and hacs around for things.

The MAF systems will always seem a little lame response wise, compared to a MAP or carb'd engine. But, when fully optimised, it's pretty close.


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Old Jul 7, 2001 | 11:01 AM
  #3  
branz28's Avatar
Thread Starter
Senior Member
 
Joined: Mar 2000
Posts: 669
Likes: 0
From: Red Bud, Illinois
Car: 1989 IROC-Z
Engine: 383
Transmission: Pro-Built 700R4 2400 ACT Stall
Axle/Gears: 2.77 Borg Warner 9-Bolt
Guess i better get off my @ss and finish my ALDL cable then. Thanks.

------------------
89 IROC-Z 350 TPI

-Flowmaster Catback
-Performance Resource Chip
-700R4 (Rebuilt) Too much done to actually list
-K&N Airfilters
-Ported Plenum
-2.77 Gears (not much to brag about but eh, its there)
-MSD 8.5 mm plug wires
-Gutted cat
-!AIR
-Gutted Air Boxes
Reply
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